Status:
NOT_YET_RECRUITING
Measuring Environmental Tobacco and Cannabis: Pollutants and Exposures
Lead Sponsor:
University of California, San Francisco
Conditions:
Healthy
Eligibility:
All Genders
21-50 years
Phase:
NA
Brief Summary
This is an unblinded pilot study of an environmental exposure to secondhand cannabis smoke in one group of healthy nonsmokers.
Detailed Description
The goal is to gather accurate information on uptake of smoke toxicants from cannabis exposures in the real world. The investigators will be taking healthy nonsmokers to public places where people are...
Eligibility Criteria
Inclusion
- \-
- Adult nonsmokers, aged 21-50, who:
- Are healthy on the basis of medical history
- Have systolic blood pressure \<150
- Have diastolic blood pressure \<100
- Have BMI between 18.1 and 34.9
- Able to perform moderate exercise,
- Are not exposed to tobacco or cannabis SHS in their daily lives. (Nonsmoking status and low SHS exposure are determined by self-report on the screening questionnaire, salivary cotinine \< 10 ng/ml and THC \< 50 ng/m and exhaled CO2 below 4 ppm)
Exclusion
- Current use of cannabis products, including CBD and edible THC products
- Regular exposure to secondhand tobacco or cannabis smoke
- Positive SARS-CoV-2 antibody test
- Age 18 \< or \> 50
- Physician diagnosis of asthma, heart disease, hypertension, thyroid disease, diabetes, renal or liver impairment or glaucoma.
- Unstable psychiatric condition (such as current major depression, history of schizophrenia or bipolar disorder) or current use of more than two psychiatric medications
- Systolic blood pressure \> 150
- Diastolic blood pressure \> 100
- Pregnancy or breastfeeding (by urine hCG and/or history)
- Alcohol or illicit drug dependence within the past 5 years
- BMI \> 35 and \< 18
- Current illicit drug use (by history or urine test)
- More than 1 pack year smoking history
- Ever a daily marijuana smoker
- Smoked anything within the last 2 months
- Occupational exposure to smoke, dusts OR fumes
- Concurrent participation in another clinical trial
- Unable to communicate in English
- No social security number
Key Trial Info
Start Date :
September 1 2023
Trial Type :
INTERVENTIONAL
Allocation :
ESTIMATED
End Date :
June 30 2026
Estimated Enrollment :
200 Patients enrolled
Trial Details
Trial ID
NCT06030674
Start Date
September 1 2023
End Date
June 30 2026
Last Update
September 11 2023
Active Locations (1)
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1
Zuckerberg San Francisco General Hospital
San Francisco, California, United States, 94110